Using host libthread_db library "/lib/tls/i686/cmov/libthread_db.so.1".
Core was generated by `axel -n 7 -a -o /tmp/baidump3-liuruile/菊花台-周杰伦.mp3 http://ww6.cfull'.
Program terminated with signal 11, Segmentation fault.
#0  0xb7ecc400 in pthread_cancel () from /lib/tls/i686/cmov/libpthread.so.0
#0  0xb7ecc400 in pthread_cancel () from /lib/tls/i686/cmov/libpthread.so.0
#1  0x08049457 in ?? ()
#2  0x00000000 in ?? ()